#63AFE0#63AFE0

#63AFE0 is a light, moderate cyan. Relative luminance 0.387; OKLCH L 72.4% C 0.104 H 238.7°. Best body text is #000000 at 8.74:1 contrast (WCAG AA passes).

Color values

HEX#63AFE0
RGBrgb(99, 175, 224)
HSLhsl(204, 67%, 63%)
HSVhsv(204, 56%, 88%)
CMYKcmyk(55.8%, 21.9%, 0%, 12.2%)
CIE-LABlab(68.53, -9.67, -31.82)
CIE-LCHlch(68.53, 33.26, 253.10°)
OKLaboklab(72.44% -0.054 -0.0889)
OKLCHoklch(72.44% 0.104 238.7)
XYZxyz(33.9251, 38.6914, 76.1869)
Luminance0.3869 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63AFE0 #E09463
analogous
#63E0D2 #63AFE0 #6370E0
triadic
#63AFE0 #E063AF #AFE063
tetradic
#63AFE0 #D263E0 #E09463 #70E063
square
#63AFE0 #D263E0 #E09463 #70E063
split-complementary
#63AFE0 #E06370 #E0D263
monochromatic
#2173A7 #3095D6 #63AFE0 #96C9EA #C9E3F4

Accessibility & contrast

On white

2.40
#63AFE0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.74
#63AFE0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFE0
8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63AFE0#FFFFFF#000000##000000
##63AFE01.002.408.748.74
#FFFFFF2.401.0021.0021.00
#0000008.7421.001.001.00
##0000008.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#99AEE2
Deuteranopia (green-blind)
#88A1DF
Tritanopia (blue-blind)
#00BBBF
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #63afe0;
/* rgb */ color: rgb(99, 175, 224);
/* oklch */ color: oklch(72.4% 0.104 238.7);
Tailwind
colors: {
  custom: {
    50: '#98c6ea',
    500: '#63afe0',
    950: '#000000',
  },
}
SCSS
$custom: #63afe0;
$custom-light: #98c6ea;
$custom-dark: #000000;
JSON
{
  "hex": "#63afe0",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 224
  },
  "hsl": {
    "h": 203.52,
    "s": 66.845,
    "l": 63.333
  },
  "oklch": {
    "l": 0.72438,
    "c": 0.10406,
    "h": 238.7
  },
  "luminance": 0.38694
}

Semantic roles & 50–950 ramp

primary
#63AFE0
secondary
#E6CBB9
accent
#5F17CF
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #63AFE0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#63AFE0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva